Notwithstanding any other provisions of law, upon a judgment becoming final, at the expiration of the appeal period, unless an appeal is pending, the court, in its discretion, and on its own motion by a written order signed by the judge, filed in the action, and an entry thereof made in the register of actions, may order the clerk to return all of the exhibits, depositions, and administrative records introduced or filed in the trial of a civil action or proceeding to the attorneys for the parties introducing or filing the same.